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{"president":"John Adams","start":"1797-03-04","end":"1801-03-04"}
{"president":"Thomas Jefferson","start":"1801-03-04","end":"1809-03-04"}
{"president":"James Madison","start":"1809-03-04","end":"1817-03-04"}
{"president":"James Monroe","start":"1817-03-04","end":"1825-03-04"}
{"president":"John Quincy Adams","start":"1825-03-04","end":"1829-03-04"}
{"president":"Andrew Jackson","start":"1829-03-04","end":"1837-03-04"}
{"president":"Martin Van Buren","start":"1837-03-04","end":"1841-03-04"}
{"president":"William Henry Harrison","start":"1841-03-04","end":"1841-04-04"}
{"president":"John Tyler","start":"1841-04-04","end":"1845-03-04"}
{"president":"James K. Polk","start":"1845-03-04","end":"1849-03-04"}
{"president":"Zachary Taylor","start":"1849-03-04","end":"1850-07-09"}
{"president":"Millard Fillmore","start":"1850-07-09","end":"1853-03-04"}
{"president":"Franklin Pierce","start":"1853-03-04","end":"1857-03-04"}
{"president":"James Buchanan","start":"1857-03-04","end":"1861-03-04"}
{"president":"Abraham Lincoln","start":"1861-03-04","end":"1865-04-15"}
{"president":"Andrew Johnson","start":"1865-04-15","end":"1869-03-04"}
{"president":"Ulysses S. Grant","start":"1869-03-04","end":"1877-03-04"}
{"president":"Rutherford B. Hayes","start":"1877-03-04","end":"1881-03-04"}
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{"president":"Chester Arthur","start":"1881-09-19","end":"1885-03-04"}
{"president":"Grover Cleveland","start":"1885-03-04","end":"1889-03-04"}
{"president":"Benjamin Harrison","start":"1889-03-04","end":"1893-03-04"}
{"president":"Grover Cleveland","start":"1893-03-04","end":"1897-03-04"}
{"president":"William McKinley","start":"1897-03-04","end":"1901-09-14"}
{"president":"Theodore Roosevelt","start":"1901-09-14","end":"1909-03-04"}
{"president":"William Howard Taft","start":"1909-03-04","end":"1913-03-04"}
{"president":"Woodrow Wilson","start":"1913-03-04","end":"1921-03-04"}
{"president":"Warren G. Harding","start":"1921-03-04","end":"1923-08-02"}
{"president":"Calvin Coolidge","start":"1923-08-02","end":"1929-03-04"}
{"president":"Herbert Hoover","start":"1929-03-04","end":"1933-03-04"}
{"president":"Franklin D. Roosevelt","start":"1933-03-04","end":"1945-04-12"}
{"president":"Harry S. Truman","start":"1945-04-12","end":"1953-01-20"}
{"president":"Dwight Eisenhower","start":"1953-01-20","end":"1961-01-20"}
{"president":"John F. Kennedy","start":"1961-01-20","end":"1963-11-22"}
{"president":"Lyndon B. Johnson","start":"1963-11-22","end":"1969-01-20"}
{"president":"Richard Nixon","start":"1969-01-20","end":"1974-08-09"}
{"president":"Gerald Ford","start":"1974-08-09","end":"1977-01-20"}
{"president":"Jimmy Carter","start":"1977-01-20","end":"1981-01-20"}
{"president":"Ronald Reagan","start":"1981-01-20","end":"1989-01-20"}
{"president":"George Bush","start":"1989-01-20","end":"1993-01-20"}
{"president":"Bill Clinton","start":"1993-01-20","end":"2001-01-20"}
{"president":"George W. Bush","start":"2001-01-20","end":"2009-01-20"}
{"president":"Barack Obama","start":"2009-01-20","end":"2017-01-20"}
{"president":"Donald Trump","start":"2017-01-20","end":"2021-01-20"}